1331133231227 has 2 divisors, whose sum is σ = 1331133231228. Its totient is φ = 1331133231226.

The previous prime is 1331133231163. The next prime is 1331133231247. The reversal of 1331133231227 is 7221323311331.

It is a strong prime.

It is an emirp because it is prime and its reverse (7221323311331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331133231227 - 2⁶ = 1331133231163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331133231193 and 1331133231202.

It is not a weakly prime, because it can be changed into another prime (1331133231247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665566615613 + 665566615614.

It is an arithmetic number, because the mean of its divisors is an integer number (665566615614).

Almost surely, 2^{1331133231227} is an apocalyptic number.

1331133231227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331133231227 is an equidigital number, since it uses as much as digits as its factorization.

1331133231227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

Adding to 1331133231227 its reverse (7221323311331), we get a palindrome (8552456542558).

The spelling of 1331133231227 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred twenty-seven".